30486028 has 6 divisors (see below), whose sum is σ = 53350556. Its totient is φ = 15243012.

The previous prime is 30486023. The next prime is 30486037. The reversal of 30486028 is 82068403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30486023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810750 + ... + 3810757.

Almost surely, 2^30486028 is an apocalyptic number.

It is an amenable number.

30486028 is a deficient number, since it is larger than the sum of its proper divisors (22864528).

30486028 is a wasteful number, since it uses less digits than its factorization.

30486028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621511 (or 7621509 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 30486028 is about 5521.4153982471. The cubic root of 30486028 is about 312.3922717737.

The spelling of 30486028 in words is "thirty million, four hundred eighty-six thousand, twenty-eight".